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+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is MPEG4IP.
+ *
+ * The Initial Developer of the Original Code is Cisco Systems Inc.
+ * Portions created by Cisco Systems Inc. are
+ * Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Dave Mackie [email protected]
+ */
+
+#ifndef MP4V2_IMPL_MP4ARRAY_H
+#define MP4V2_IMPL_MP4ARRAY_H
+
+namespace mp4v2 {
+namespace impl {
+
+///////////////////////////////////////////////////////////////////////////////
+
+typedef uint32_t MP4ArrayIndex;
+
+class MP4Array {
+public:
+ MP4Array() {
+ m_numElements = 0;
+ m_maxNumElements = 0;
+ }
+
+ inline bool ValidIndex(MP4ArrayIndex index) {
+ return (index < m_numElements);
+ }
+
+ inline MP4ArrayIndex Size(void) {
+ return m_numElements;
+ }
+
+ inline MP4ArrayIndex MaxSize(void) {
+ return m_maxNumElements;
+ }
+
+protected:
+ MP4ArrayIndex m_numElements;
+ MP4ArrayIndex m_maxNumElements;
+};
+
+// macro to generate subclasses
+// we use this as an alternative to templates
+// due to the excessive compile time price of extensive template usage
+
+#define MP4ARRAY_DECL(name, type) \
+ class name##Array : public MP4Array { \
+ public: \
+ name##Array() { \
+ m_elements = NULL; \
+ } \
+ \
+ ~name##Array() { \
+ MP4Free(m_elements); \
+ } \
+ \
+ inline void Add(type newElement) { \
+ Insert(newElement, m_numElements); \
+ } \
+ \
+ void Insert(type newElement, MP4ArrayIndex newIndex) { \
+ if (newIndex > m_numElements) { \
+ throw new PlatformException("illegal array index", ERANGE, __FILE__, __LINE__, __FUNCTION__); \
+ } \
+ if (m_numElements == m_maxNumElements) { \
+ m_maxNumElements = max(m_maxNumElements, (MP4ArrayIndex)1) * 2; \
+ m_elements = (type*)MP4Realloc(m_elements, \
+ m_maxNumElements * sizeof(type)); \
+ } \
+ memmove(&m_elements[newIndex + 1], &m_elements[newIndex], \
+ (m_numElements - newIndex) * sizeof(type)); \
+ m_elements[newIndex] = newElement; \
+ m_numElements++; \
+ } \
+ \
+ void Delete(MP4ArrayIndex index) { \
+ if (!ValidIndex(index)) { \
+ ostringstream msg; \
+ msg << "illegal array index: " << index << " of " << m_numElements; \
+ throw new PlatformException(msg.str().c_str(), ERANGE, __FILE__, __LINE__, __FUNCTION__); \
+ } \
+ m_numElements--; \
+ if (index < m_numElements) { \
+ memmove(&m_elements[index], &m_elements[index + 1], \
+ (m_numElements - index) * sizeof(type)); \
+ } \
+ } \
+ void Resize(MP4ArrayIndex newSize) { \
+ m_numElements = newSize; \
+ m_maxNumElements = newSize; \
+ m_elements = (type*)MP4Realloc(m_elements, \
+ m_maxNumElements * sizeof(type)); \
+ } \
+ \
+ type& operator[](MP4ArrayIndex index) { \
+ if (ValidIndex(index)) { \
+ return m_elements[index]; \
+ } \
+ else { \
+ ostringstream msg; \
+ msg << "illegal array index: " << index << " of " << m_numElements; \
+ throw new PlatformException(msg.str().c_str(), ERANGE, __FILE__, __LINE__, __FUNCTION__ ); \
+ } \
+ } \
+ \
+ protected: \
+ type* m_elements; \
+ };
+
+MP4ARRAY_DECL(MP4Integer8, uint8_t)
+
+MP4ARRAY_DECL(MP4Integer16, uint16_t)
+
+MP4ARRAY_DECL(MP4Integer32, uint32_t)
+
+MP4ARRAY_DECL(MP4Integer64, uint64_t)
+
+MP4ARRAY_DECL(MP4Float32, float)
+
+MP4ARRAY_DECL(MP4Float64, double)
+
+MP4ARRAY_DECL(MP4String, char*)
+
+MP4ARRAY_DECL(MP4Bytes, uint8_t*)
+
+///////////////////////////////////////////////////////////////////////////////
+
+}
+} // namespace mp4v2::impl
+
+#endif // MP4V2_IMPL_MP4ARRAY_H